// export function generateUUID() {
//   var d = new Date().getTime()
//   var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
//     var r = (d + Math.random()*16)%16 | 0
//     d = Math.floor(d/16)
//     return (c=='x' ? r : (r&0x3|0x8)).toString(16)
//   })
//   return uuid
// }


export function stopPropagation(e) {
    e && e.stopPropagation ? e.stopPropagation() : window.event.cancelBubble = true
}